From 766741fcaa1fe5da2cb1e33ae458a5630ff7f667 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Tue, 11 Jun 2019 13:35:22 +0200 Subject: [PATCH] Revert "fuse: require /dev/fuse reads to have enough buffer capacity" This reverts commit d4b13963f217dd947da5c0cabd1569e914d21699. The commit introduced a regression in glusterfs-fuse. Reported-by: Sander Eikelenboom Signed-off-by: Miklos Szeredi --- fs/fuse/dev.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 24ea19cfe07e..ea8237513dfa 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -1317,16 +1317,6 @@ static ssize_t fuse_dev_do_read(struct fuse_dev *fud, struct file *file, unsigned reqsize; unsigned int hash; - /* - * Require sane minimum read buffer - that has capacity for fixed part - * of any request header + negotated max_write room for data. If the - * requirement is not satisfied return EINVAL to the filesystem server - * to indicate that it is not following FUSE server/client contract. - * Don't dequeue / abort any request. - */ - if (nbytes < max_t(size_t, FUSE_MIN_READ_BUFFER, 4096 + fc->max_write)) - return -EINVAL; - restart: spin_lock(&fiq->waitq.lock); err = -EAGAIN;